NZ264783A - Acetylation of lignocellulosic material using acetic anhydride - Google Patents
Acetylation of lignocellulosic material using acetic anhydrideInfo
- Publication number
- NZ264783A NZ264783A NZ264783A NZ26478394A NZ264783A NZ 264783 A NZ264783 A NZ 264783A NZ 264783 A NZ264783 A NZ 264783A NZ 26478394 A NZ26478394 A NZ 26478394A NZ 264783 A NZ264783 A NZ 264783A
- Authority
- NZ
- New Zealand
- Prior art keywords
- process according
- reactor
- acetylated
- vapour
- acetic acid
- Prior art date
Links
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 title claims abstract description 122
- 239000012978 lignocellulosic material Substances 0.000 title claims abstract description 66
- 238000006640 acetylation reaction Methods 0.000 title claims abstract description 16
- 230000021736 acetylation Effects 0.000 title claims abstract description 13
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 79
- 238000000034 method Methods 0.000 claims abstract description 33
- 239000012345 acetylating agent Substances 0.000 claims abstract description 23
- 239000013043 chemical agent Substances 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 13
- 239000000126 substance Substances 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 230000007062 hydrolysis Effects 0.000 claims description 6
- 238000006460 hydrolysis reaction Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 238000009834 vaporization Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 241001125671 Eretmochelys imbricata Species 0.000 claims 1
- 239000000835 fiber Substances 0.000 description 18
- 239000000463 material Substances 0.000 description 7
- 230000000397 acetylating effect Effects 0.000 description 6
- 239000002253 acid Substances 0.000 description 4
- 150000008064 anhydrides Chemical class 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 4
- 229920002522 Wood fibre Polymers 0.000 description 3
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 244000198134 Agave sisalana Species 0.000 description 1
- 241000272470 Circus Species 0.000 description 1
- 244000060011 Cocos nucifera Species 0.000 description 1
- 235000013162 Cocos nucifera Nutrition 0.000 description 1
- 240000000491 Corchorus aestuans Species 0.000 description 1
- 235000011777 Corchorus aestuans Nutrition 0.000 description 1
- 235000010862 Corchorus capsularis Nutrition 0.000 description 1
- 241000218657 Picea Species 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000004584 weight gain Effects 0.000 description 1
- 235000019786 weight gain Nutrition 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
- C08H8/00—Macromolecular compounds derived from lignocellulosic materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B3/00—Preparation of cellulose esters of organic acids
- C08B3/06—Cellulose acetate, e.g. mono-acetate, di-acetate or tri-acetate
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Compounds Of Unknown Constitution (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Cosmetics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB939322187A GB9322187D0 (en) | 1993-10-28 | 1993-10-28 | Acetylation of lignocellulosic materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NZ264783A true NZ264783A (en) | 1996-02-27 |
Family
ID=10744224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NZ264783A NZ264783A (en) | 1993-10-28 | 1994-10-26 | Acetylation of lignocellulosic material using acetic anhydride |
Country Status (19)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5821359A (en) * | 1994-12-19 | 1998-10-13 | A-Cell Acetyl Cellulosics Ab | Acetylation of lignocellulosic fibres |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9403509D0 (en) * | 1994-02-24 | 1994-04-13 | Bp Chem Int Ltd | Acetylation of lignocellulosic materials |
| AU3454497A (en) * | 1996-07-10 | 1998-02-02 | Sound Pipe Ltd | Acetylation of lignocellulosic materials and applications thereof |
| CA2250645A1 (en) | 1998-10-16 | 2000-04-16 | Wayne Wasylciw | Process for the production of articles from treated lignocellulosic particles and binder |
| US20030223923A1 (en) * | 2002-06-03 | 2003-12-04 | Aspinwall Phil P. | Apparatus for production of cellulose acetate |
| DE102008035401B4 (de) * | 2008-07-29 | 2011-04-21 | List Holding Ag | Verfahren zur kontinuierlichen katalytischen Azetylierung von Polysacchariden |
| US8906466B2 (en) * | 2009-06-25 | 2014-12-09 | Eastman Chemical Company | Esterified lignocellulosic materials and methods for making them |
| US20100331531A1 (en) * | 2009-06-25 | 2010-12-30 | Eastman Chemical Company | Methods for esterifying lignocellulosic material |
| EP2289980A1 (en) | 2009-07-30 | 2011-03-02 | Danish Plant Fibre Technologies Holding A/S | A process and apparatus for modification of lignocellulosic materials and products of modified lignocellulosic materials obtained by the process |
| US20120160837A1 (en) | 2010-12-23 | 2012-06-28 | Eastman Chemical Company | Wood heater with enhanced microwave launch efficiency |
| AU2011355330A1 (en) * | 2011-01-10 | 2013-07-18 | Danish Plant Fibre Technologies Holding A/S | A process and apparatus for modification of lignocellulosic materials and products of modified lignocellulosic materials obtained by the process |
| ES2746902T3 (es) * | 2011-06-10 | 2020-03-09 | Titan Wood Ltd | Acetilación de fibra de madera |
| EP2623281A1 (en) | 2012-01-31 | 2013-08-07 | Titan Wood Limited | Acetylated wood |
| PE20150005A1 (es) * | 2012-03-21 | 2015-02-06 | Titan Wood Ltd | Metodo para la modificacion de madera |
| RU2663752C2 (ru) * | 2012-05-22 | 2018-08-09 | Титан Вуд Лимитед | Реакторная система и способ модификации древесины |
| CN103659972B (zh) * | 2012-09-05 | 2016-01-20 | 中国林业科学研究院木材工业研究所 | 一种木材的酯化、压缩增强方法及一种酯化、压缩增强材料 |
| EP3004217A1 (en) | 2013-06-03 | 2016-04-13 | Chemconserve B.V. | Modified wood fibres for manufacture in composites |
| CN104327189A (zh) * | 2014-09-18 | 2015-02-04 | 玉林师范学院 | 木屑制备高吸油材料的方法 |
| US11338468B2 (en) | 2015-04-13 | 2022-05-24 | Tricoya Technologies Ltd. | Method for continuous acetylation of wood elements |
| US11285633B2 (en) * | 2015-04-13 | 2022-03-29 | Tricoya Technologies Ltd | Method for the acetylation of wood |
| BR112017022011A2 (pt) * | 2015-04-13 | 2018-07-03 | Tricoya Tech Ltd | método para a acetilação contínua de elementos de madeira ? |
| CN107325189A (zh) * | 2017-06-27 | 2017-11-07 | 华南理工大学 | 一锅法制备低取代度乙酰化纳米纤维素的方法 |
| WO2025026983A1 (en) | 2023-07-28 | 2025-02-06 | Titan Wood Limited | Coloured acetylated wood |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1536334A (en) * | 1924-04-19 | 1925-05-05 | Eastman Kodak Co | Process of recovering acetic values from a cellulose-acetate mixture |
| US2417985A (en) * | 1944-06-28 | 1947-03-25 | Us Rubber Co | N, n'-dibenzylidene-ethylene-diamine as arachnicides |
| US2417995A (en) * | 1944-11-14 | 1947-03-25 | Nasa | Acetylation of lignocellulosic board materials |
| US2780511A (en) * | 1953-05-14 | 1957-02-05 | Toho Rayon Kk | Methiod of making cellulose acetate teixtile fibers by acetylization of relgenerated cellulose fibers |
| US3094431A (en) * | 1961-03-22 | 1963-06-18 | Koppers Co Inc | Process of acetylating wood |
| US3403145A (en) * | 1962-07-10 | 1968-09-24 | Rayonier Inc | Acetylation of cellulose |
| GB964197A (en) | 1962-07-10 | 1964-07-15 | Rayonier Inc | Improvements in acetylation of cellulose |
| US3528115A (en) * | 1967-12-22 | 1970-09-15 | Du Pont | Bleaching fabrics with peracetic acid formed in situ thereon |
| US3720661A (en) * | 1971-01-05 | 1973-03-13 | Rhodiaceta | Process for producing acetylated regenerated cellulose articles |
| US4085760A (en) * | 1975-09-19 | 1978-04-25 | Daicel Ltd. | Tobacco filter |
| DE3471367D1 (en) * | 1983-12-19 | 1988-06-23 | Duphar Int Res | Method of drying a solid and device therefor |
| EP0213252B1 (en) * | 1985-08-28 | 1991-02-06 | A-Cell Acetyl Cellulosics AB | A process for improving dimensional stability and biological resistance of lignocellulosic material |
| GB2271570A (en) * | 1992-10-15 | 1994-04-20 | David George Rogers | Treating lignocellusosic material with acetic anhydride |
| JPH079411A (ja) * | 1993-06-25 | 1995-01-13 | Sumitomo Chem Eng Kk | セルロース含有材のアセチル化法および改質木材の製造方法 |
| GB9403509D0 (en) * | 1994-02-24 | 1994-04-13 | Bp Chem Int Ltd | Acetylation of lignocellulosic materials |
| GB9425765D0 (en) * | 1994-12-19 | 1995-02-22 | Bp Chem Int Ltd | Acetylation of lignocellulosic fibres |
-
1993
- 1993-10-28 GB GB939322187A patent/GB9322187D0/en active Pending
-
1994
- 1994-10-13 US US08/322,267 patent/US5608051A/en not_active Expired - Lifetime
- 1994-10-17 IN IN1293DE1994 patent/IN189490B/en unknown
- 1994-10-19 MY MYPI94002786A patent/MY111459A/en unknown
- 1994-10-20 CA CA002133936A patent/CA2133936C/en not_active Expired - Fee Related
- 1994-10-24 PL PL94305583A patent/PL176075B1/pl unknown
- 1994-10-25 AU AU77433/94A patent/AU676945B2/en not_active Ceased
- 1994-10-26 DE DE69417343T patent/DE69417343T2/de not_active Expired - Lifetime
- 1994-10-26 DK DK94307889T patent/DK0650998T3/da active
- 1994-10-26 ES ES94307889T patent/ES2129593T4/es not_active Expired - Lifetime
- 1994-10-26 NZ NZ264783A patent/NZ264783A/en unknown
- 1994-10-26 EP EP94307889A patent/EP0650998B1/en not_active Expired - Lifetime
- 1994-10-26 AT AT94307889T patent/ATE178080T1/de not_active IP Right Cessation
- 1994-10-27 FI FI945067A patent/FI106722B/fi active
- 1994-10-27 NO NO944097A patent/NO307934B1/no not_active IP Right Cessation
- 1994-10-27 JP JP6263856A patent/JPH07179501A/ja active Pending
- 1994-10-28 KR KR1019940027994A patent/KR100337676B1/ko not_active Expired - Fee Related
- 1994-10-28 CN CN94113778A patent/CN1067409C/zh not_active Expired - Fee Related
-
1999
- 1999-06-23 GR GR990401686T patent/GR3030603T3/el unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5821359A (en) * | 1994-12-19 | 1998-10-13 | A-Cell Acetyl Cellulosics Ab | Acetylation of lignocellulosic fibres |
Also Published As
| Publication number | Publication date |
|---|---|
| IN189490B (enrdf_load_stackoverflow) | 2003-03-08 |
| FI945067L (fi) | 1995-04-29 |
| NO307934B1 (no) | 2000-06-19 |
| EP0650998B1 (en) | 1999-03-24 |
| DE69417343D1 (de) | 1999-04-29 |
| ES2129593T3 (es) | 1999-06-16 |
| PL176075B1 (pl) | 1999-04-30 |
| ATE178080T1 (de) | 1999-04-15 |
| AU7743394A (en) | 1995-05-18 |
| DE69417343T2 (de) | 1999-08-26 |
| JPH07179501A (ja) | 1995-07-18 |
| MY111459A (en) | 2000-05-31 |
| NO944097D0 (no) | 1994-10-27 |
| PL305583A1 (en) | 1995-05-02 |
| GR3030603T3 (en) | 1999-10-29 |
| FI945067A0 (fi) | 1994-10-27 |
| ES2129593T4 (es) | 1999-11-01 |
| CA2133936A1 (en) | 1995-04-29 |
| NO944097L (no) | 1995-05-02 |
| FI106722B (fi) | 2001-03-30 |
| CN1067409C (zh) | 2001-06-20 |
| EP0650998A1 (en) | 1995-05-03 |
| CA2133936C (en) | 2005-12-27 |
| GB9322187D0 (en) | 1993-12-15 |
| AU676945B2 (en) | 1997-03-27 |
| DK0650998T3 (da) | 1999-10-11 |
| KR100337676B1 (ko) | 2002-11-23 |
| KR950011470A (ko) | 1995-05-15 |
| US5608051A (en) | 1997-03-04 |
| CN1104218A (zh) | 1995-06-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RENW | Renewal (renewal fees accepted) | ||
| RENW | Renewal (renewal fees accepted) |